4 ideas
9218 | Maybe what distinguishes philosophy from science is its pursuit of necessary truths [Sider] |
9565 | Zermelo made 'set' and 'member' undefined axioms [Zermelo, by Chihara] |
3339 | For Zermelo's set theory the empty set is zero and the successor of each number is its unit set [Zermelo, by Blackburn] |
16209 | How can point-duration slices of people have beliefs or desires? [Thomson] |